![Xiaomi's Mi Smart Band 5 sports bigger display and new wireless charging system — and starts at $27 | TechCrunch Xiaomi's Mi Smart Band 5 sports bigger display and new wireless charging system — and starts at $27 | TechCrunch](https://techcrunch.com/wp-content/uploads/2020/06/xiaomi-mi-band-5-smart-band-5.jpg)
Xiaomi's Mi Smart Band 5 sports bigger display and new wireless charging system — and starts at $27 | TechCrunch
![Xiaomi Mi Smart Band 5 - 1.1" AMOLED Color Screen, IP68 Waterproof Wristband BT 5.0 Fitness, Sleep, 24/7 Heart Rate, Swimming, Health Tracker (Black) - Walmart.com Xiaomi Mi Smart Band 5 - 1.1" AMOLED Color Screen, IP68 Waterproof Wristband BT 5.0 Fitness, Sleep, 24/7 Heart Rate, Swimming, Health Tracker (Black) - Walmart.com](https://i5.walmartimages.com/seo/Xiaomi-Mi-Smart-Band-5-1-1-AMOLED-Color-Screen-IP68-Waterproof-Wristband-BT-5-0-Fitness-Sleep-24-7-Heart-Rate-Swimming-Health-Tracker-Black_cc342100-13f9-45f0-bdaf-0c076adbe1b0.6bd5c2a3a4fe6c01a95946ea8bb20739.jpeg)
Xiaomi Mi Smart Band 5 - 1.1" AMOLED Color Screen, IP68 Waterproof Wristband BT 5.0 Fitness, Sleep, 24/7 Heart Rate, Swimming, Health Tracker (Black) - Walmart.com
![So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So](https://preview.redd.it/g8u9lt9oemf31.jpg?auto=webp&s=4b6a8688803300c61668cb3991ac5a523ce3b34f)
So I just got the mi band 4 yesterday. And tried sleep analysis . I have those 3 apps (mi fit,notify,sleep as Android) and they all put out different data . So
![Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband](https://preview.redd.it/lgpdy9rzla761.jpg?width=640&crop=smart&auto=webp&s=65ccbbdb6ddd04f6a9f3596e2fe1849870a4fb4f)
Why does the band never ever track REM sleep for naps? (I woke up super early so I wanted to catch up with sleep) : r/miband
![MiFit 4.2.0 update release today on iOS, they ad REM sleep, no firmware update for the miband 4 : r/miband MiFit 4.2.0 update release today on iOS, they ad REM sleep, no firmware update for the miband 4 : r/miband](https://i.redd.it/feh90k6x25551.jpg)
MiFit 4.2.0 update release today on iOS, they ad REM sleep, no firmware update for the miband 4 : r/miband
![Amazon.com: Xiaomi Mi Band 7 Activity Tracker High-Res 1.62" AMOLED Screen, Bluetooth 5.2, 120 Sports Modes, Optical Heart Rate & Blood Oxygen Sensor, 24HR Heart Rate & Sleep Monitor Smart Watch : Electronics Amazon.com: Xiaomi Mi Band 7 Activity Tracker High-Res 1.62" AMOLED Screen, Bluetooth 5.2, 120 Sports Modes, Optical Heart Rate & Blood Oxygen Sensor, 24HR Heart Rate & Sleep Monitor Smart Watch : Electronics](https://m.media-amazon.com/images/I/41-3vEMP99L._AC_UF894,1000_QL80_.jpg)